Waves (AQA A-Level Physics): Quizzes

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What is amplitude in a wave?

Maximum displacement from equilibrium

What is an antinode in a stationary wave?

Point with maximum displacement

What must coherent waves have?

Same freq & constant phase difference

What is diffraction?

Spreading of waves at gaps/obstacles

If a wave has period TT, what is its frequency ff?

f=1/Tf = 1/T

What happens in constructive interference?

Amplitudes add up

In longitudinal waves, how do particles oscillate?

Parallel to wave direction

What does refractive index nn equal?

n=c/vn = c/v

When does total internal reflection occur?

Angle exceeds critical angle

In Young's double-slit, what is fringe spacing ww?

w=λDsw = \frac{\lambda D}{s}

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Waves

Progressive and stationary waves

Refraction, diffraction and interference

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Waves

Progressive and stationary waves

Refraction, diffraction and interference

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Waves

Progressive and stationary waves

Refraction, diffraction and interference

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Waves

Progressive and stationary waves

Refraction, diffraction and interference

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